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janus: Add picture-id-mode=2 to VP8 payloading

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This writes an extended header and Picture-ID into each RTP packet
which makes Janus able to detect which frames are keyframes and
to request replacement keyframes.
This commit is contained in:
Jan Schmidt 2020-01-28 00:04:27 +11:00
parent d8e7687132
commit 1f1233064f
1 changed files with 1 additions and 1 deletions
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2
webrtc/janus/janusvideoroom.py
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@ -76,7 +76,7 @@ gi.require_version('GstSdp', '1.0')
from gi.repository import GstSdp
if DO_VP8:
( encoder, payloader, rtp_encoding) = ( "vp8enc target-bitrate=500000", "rtpvp8pay", "VP8" )
( encoder, payloader, rtp_encoding) = ( "vp8enc target-bitrate=100000 overshoot=25 undershoot=100 deadline=33000 keyframe-max-dist=1", "rtpvp8pay picture-id-mode=2", "VP8" )
else:
( encoder, payloader, rtp_encoding) = ( "x264enc", "rtph264pay", "H264" )